DC voltage converter with output voltage U>100V and phase power Po=25W

Published:2011/12/5 1:17:00 Author:May | Keyword: DC voltage converter, output voltage U>100V, phase power Po=25W | From:SeekIC

This circuit works by the principle of blocking converter. That is, it can send energy to load in the period when transistor is cutting off. Divider circuit R1, R2 and C2are used for guarantee the circuit can start reliable oscillation when input voltage Ui≥2V. The circuits can non-load operate in a short time. But it does not have the function of protection when output end is short. The main technical data of this circuit: Output power: Po=2.5W; Output voltage: Uo≥100V; Oscillation frequency: f≈20kHz; Efficiency: η=0.76. Transistor data: n1=50turns, 0.33 copper enamel wire; n2=13turns, 0.1mm copper enamel wire; n3=50turns, 0.3mm copper enamel wire.



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